Cross-contamination of meats has become a major problem in Norway as more producers and slaughterhouses add halal production lines to their operations to satisfy growing demand for halal meat among the country’s increasing Muslim population.

Swedish supermarkets, led by major chain the ICA Group, are threatening to suspend imports of Danish pork following reports by animal rights organisations complaining about the culling of up to 500,000 under-weight newborn piglets, weighing less than 1kg, on Danish farms each year.